centos安装docker

一.升级内核

[root@iZ2893wjzgyZ ~]# rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
[root@iZ2893wjzgyZ ~]# rpm -ivh http://www.elrepo.org/elrepo-release-6-5.el6.elrepo.noarch.rpm
[root@iZ2893wjzgyZ ~]# yum --enablerepo=elrepo-kernel install kernel-lt -y
[root@iZ2893wjzgyZ ~]# vim /etc/grub.conf
default=0

[root@iZ2893wjzgyZ ~]# reboot
[root@iZ2893wjzgyZ ~]# uname -a
Linux iZ2893wjzgyZ 3.10.65-1.el6.elrepo.x86_64 #1 SMP Sat Jan 17 10:36:35 EST 2015 x86_64 x86_64 x86_64 GNU/Linux

二.安装docker

[root@iZ2893wjzgyZ ~]# yum install http://mirrors.yun-idc.com/epel/6/x86_64/epel-release-6-8.noarch.rpm
[root@iZ2893wjzgyZ ~]# yum install docker-io

三.启动docker

[root@iZ2893wjzgyZ ~]# service docker start
Starting cgconfig service:                                 [  OK  ]
Starting docker:                                       [  OK  ]